—_______ do you talk to your teacher at the School Air?
—Once a week.
A. How long B. How much
C. How soon D. How often
A library with two hundred thousand books _______ to the school last year.
A. was given B. were given
C. will be given D. are given
The customs in America are different _______ those in China.
A. of B. for C. from D. with
We visited Beijing University _______ the first day of our trip.
A. in B. at C. on D. of
_______ is necessary for us _______ our own dreams.
A. That; have B. It; have
C. That; having D. It; to have
--Who is the man over there? Is it Mr. Li ?
--No, it _______ be him. Mr. Li is much taller.
A. mustnt B. not C. cant D. neednt
